<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<link rel="stylesheet" href="css/mycss.css">
	<title>基础练习1</title>
</head>
<body>
	<div>
		<div class="box1"></div>
		<div class="box2"></div>
		<div class="box3"></div>
		<div class="box4"></div>
		<div class="box5"></div>
	</div>
</body>
</html>